81459756

素因数分解:

$2^2\times 3^4\times 7^3\times {\mathrm{733}}^1$

素因数の和:770

約数の個数: 120

約数和(自身を含む): 248679200

約数和(自身を除く): 167219444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 343, 378, 441, 567, 588, 686, 733, 756, 882, 1029, 1134, 1323, 1372, 1466, 1764, 2058, 2199, 2268, 2646, 2932, 3087, 3969, 4116, 4398, 5131, 5292, 6174, 6597, 7938, 8796, 9261, 10262, 12348, 13194, 15393, 15876, 18522, 19791, 20524, 26388, 27783, 30786, 35917, 37044, 39582, 46179, 55566, 59373, 61572, 71834, 79164, 92358, 107751, 111132, 118746, 138537, 143668, 184716, 215502, 237492, 251419, 277074, 323253, 415611, 431004, 502838, 554148, 646506, 754257, 831222, 969759, 1005676, 1293012, 1508514, 1662444, 1939518, 2262771, 2909277, 3017028, 3879036, 4525542, 5818554, 6788313, 9051084, 11637108, 13576626, 20364939, 27153252, 40729878, 81459756]

約数ペア:

[(1, 81459756), (2, 40729878), (3, 27153252), (4, 20364939), (6, 13576626), (7, 11637108), (9, 9051084), (12, 6788313), (14, 5818554), (18, 4525542), (21, 3879036), (27, 3017028), (28, 2909277), (36, 2262771), (42, 1939518), (49, 1662444), (54, 1508514), (63, 1293012), (81, 1005676), (84, 969759), (98, 831222), (108, 754257), (126, 646506), (147, 554148), (162, 502838), (189, 431004), (196, 415611), (252, 323253), (294, 277074), (324, 251419), (343, 237492), (378, 215502), (441, 184716), (567, 143668), (588, 138537), (686, 118746), (733, 111132), (756, 107751), (882, 92358), (1029, 79164), (1134, 71834), (1323, 61572), (1372, 59373), (1466, 55566), (1764, 46179), (2058, 39582), (2199, 37044), (2268, 35917), (2646, 30786), (2932, 27783), (3087, 26388), (3969, 20524), (4116, 19791), (4398, 18522), (5131, 15876), (5292, 15393), (6174, 13194), (6597, 12348), (7938, 10262), (8796, 9261)]